https://design-milk.com/a-sculptural-shelf-made-from-a-laser-cut-sheet-of-steel/?epik=dj0yJnU9WTE0LTdHY0V6Mlk5WklkYmZsTHNhWkRybi1EUUhnWkcmcD0wJm49MGxLVjJOYUQzREhoaDZ5VklrUmpZUSZ0PUFBQUFBR1FpeW9z 

Vray|Corona

Those who work in V-Ray versions lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR ( GGX ), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whichever suits you best

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured taking into account PBR